libqt4-sql 4.5.2-0ubuntu2 (amd64 binary) in ubuntu karmic

 Qt is a cross-platform C++ application framework. Qt's primary feature
 is its rich set of widgets that provide standard GUI functionality.
 .
 The QtSql module helps you provide seamless database integration to your Qt
 applications.
 .
 If you wish to use the SQL module for development, you should install the
 libqt4-dev package.